Cufon.replace('nav ul li a',  { fontFamily: 'MyriadPro-Regular' , hover:true });
Cufon.replace('.title , .title i , .letter , h2 , h3',  { fontFamily: 'MyriadPro-Regular' });
Cufon.replace('.title em', { fontFamily: 'MyriadPro-Semibold' });